<template>
  <div>
<p>{{total}}</p>
<p>{{total}}</p>
<p>{{total}}</p>
 

  </div>
</template>

<script>
export default {
data(){
    return{
        num:33,
        sum:46

    }
},
computed:{
    total(){
        console.log(1);
        return this.num+this.sum
    }
}
}
</script>

<style>

</style>